1021110211019 has 2 divisors, whose sum is σ = 1021110211020. Its totient is φ = 1021110211018.

The previous prime is 1021110210973. The next prime is 1021110211039. The reversal of 1021110211019 is 9101120111201.

It is an a-pointer prime, because the next prime (1021110211039) can be obtained adding 1021110211019 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021110211019 is a prime.

It is a super-2 number, since 2×1021110211019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1021110211039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510555105509 + 510555105510.

It is an arithmetic number, because the mean of its divisors is an integer number (510555105510).

Almost surely, 2^{1021110211019} is an apocalyptic number.

1021110211019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021110211019 is an equidigital number, since it uses as much as digits as its factorization.

1021110211019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 1021110211019 in words is "one trillion, twenty-one billion, one hundred ten million, two hundred eleven thousand, nineteen".